Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic
genus within thefamily Cyperaceae .
Etymologies
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Examples
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The unique lake and freshwater vegetation of Joumine and Malah marshes ranges from emergent plant associations such as Scirpus lacustris, Typha angustifolia and Phragmites communis through a belt of halophytes, Salicornia arabica, Suaeda maritima and Arthrecnemum fruticosum to grass pastures with shrubby Tamarix africana.
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Grass and sedge marshes support "thatch grasses" such as Scirpus planiculmis, S. triqueter, Carex scabrifolia, Cortaderia celloana, and Panicum psilopodium.
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The seasonally flooded hollows are covered with sea clubrush Scirpus maritimus, bulrush Schoenoplectus lacustris, rushes Juncus sp. and crowfoot Ranunculus baudotii.
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Damp areas have Phragmites australis, Typha latifolia and Scirpus holoschoenus.
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The marsh vegetation is dominated by reeds Phragmites australis which form floating or fixed islands of decaying vegetation ( 'plaur') with some Typha angustifolia and Scirpus sp.
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There are two bog communities: Sphagnum cf, recurvum on both plateau and lowland and Scirpus sulcatus on the plateau which is perpetuated by the burrowing of the endemic spectacled petrel Procellaria conspicillata.
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Fuegian arrowgrass Tetroncium magellanicium and mossy deergrass Scirpus spp. are the only abundant vascular plants found in bogs, although bog margins show a wider diversity, including various grasses.
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Small waterholes or wet places can be densely covered by Odyssea paucinervis or a community of Phragmites australis, Thypha latifolia, Scirpus dioicus, S. littoralis and Juncellus laevigatus.
Kaokoveld desert 2008
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The rush, Scirpus distichimus may become abundant in heavily grazed sites.
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Other plant communities include: Kalidium gracile in areas of saline soils and salt marshes dominated by Scirpus rufus, S. planifolium, Ranunculus cymbalaria, and Phragmites communis.
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